Assume That a Parent Company Has Four Subsidiaries

Assume that a parent company has four subsidiaries. Under IFRS 3, which of the following statements is true?

A) All four subsidiaries must be reported using the parent-company extension method.
B) All four subsidiaries must be reported using the entity method.
C) Each subsidiary must be reported using either the parent-company extension method or the entity method. Consistency is not required.
D) All four subsidiaries must be reported using either the parent-company extension method or the entity method. Consistency is required.